Inverse expression of dihydrodiol dehydrogenase and glutathione-s- transferase in patients with esophageal squamous cell carcinoma

Liang Shun Wang, Kuan Chih Chow, Yu Chung Wu, Tze Yi Lin, Wing Yin Li

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

We investigated the significances of the expressions of dihydrodiol dehydrogenase (DDH) and glutathione-s-transferase (GST) in patients with esophageal squamous cell carcinoma (ESCC). By using immunohistochemistry, we measured expressions of DDH, GST, COX-2, nm23-HI, HER-2/ neu and mdr-I in 145 patients with ESCC. Expression of DDH was confirmed by immunoblotting and reverse transcription-polymerase chain reaction. Relation between DDH expression and clinicopathological parameters was analyzed by statistical analysis. Difference of survivals between different groups was compared by a log rank test. DDH overexpression was detected in 66.9% of pathological sections (97/ 145) and in 41.6% of metastatic lymph nodes (37/89). The nucleoticle sequencing of DNA fragments from 16 tumorous specimens showed that the major isoform was DDH2 for ESCC. GST expression, however, was only detected weakly in 24 patients (16.6%). For patients with ESCC, DDH overexpression was positively correlated with smoking habit, tumor stage, number of metastatic lymph nodes, lymphovascular invasion and COX-2 expression, and inversely correlated with GST and nm23-HI expressions, but not related to mdr-I or HER-2/neu expressions. As compared to DDH overexpressed group, patients with low DDH expression had significantly lower incidence of tumor recurrences and better survival (p = 0.026). Using univariate analysis, prognostic factors included tumor stage, number of metastatic lymph nodes, cell differentiation, lymphovascular invasion and expressions of DDH and nm23-HI. Multivariate analysis showed significant correlation of tumor stage, number of metastatic lymph nodes and nm23-HI expression with patient's survival. In conclusion, inverse expressions of DDH and GST may be associated with carcinogenesis and disease progression for ESCC patients, but their biological function and pathophysiological regulation in tumors require additional studies.

Original languageEnglish
Pages (from-to)246-251
Number of pages6
JournalInternational Journal of Cancer
Volume111
Issue number2
DOIs
Publication statusPublished - Aug 20 2004
Externally publishedYes

Fingerprint

Glutathione Transferase
Lymph Nodes
Neoplasms
Survival
Esophageal Squamous Cell Carcinoma
trans-1,2-dihydrobenzene-1,2-diol dehydrogenase
DNA Sequence Analysis
Immunoblotting
Reverse Transcription
Habits
Disease Progression
Cell Differentiation
Protein Isoforms
Carcinogenesis
Multivariate Analysis
Smoking
Immunohistochemistry
Recurrence
Polymerase Chain Reaction
Incidence

Keywords

  • Dihydrodiol dehydrogenase
  • Esophageal cancer
  • GST
  • Nm23-H1

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Inverse expression of dihydrodiol dehydrogenase and glutathione-s- transferase in patients with esophageal squamous cell carcinoma. / Wang, Liang Shun; Chow, Kuan Chih; Wu, Yu Chung; Lin, Tze Yi; Li, Wing Yin.

In: International Journal of Cancer, Vol. 111, No. 2, 20.08.2004, p. 246-251.

Research output: Contribution to journalArticle

Wang, Liang Shun ; Chow, Kuan Chih ; Wu, Yu Chung ; Lin, Tze Yi ; Li, Wing Yin. / Inverse expression of dihydrodiol dehydrogenase and glutathione-s- transferase in patients with esophageal squamous cell carcinoma. In: International Journal of Cancer. 2004 ; Vol. 111, No. 2. pp. 246-251.
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